/* Target-machine dependent code for Renesas H8/300, for GDB.
- Copyright (C) 1988, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,
- 2000, 2001, 2002, 2003, 2005, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1988-2014 Free Software Foundation, Inc.
This file is part of GDB.
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct h8300_frame_cache *cache;
- char buf[4];
int i;
CORE_ADDR current_pc;
static const struct frame_unwind h8300_frame_unwind = {
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
h8300_frame_this_id,
h8300_frame_prev_register,
NULL,
for (argument = 0; argument < nargs; argument++)
{
+ struct cleanup *back_to;
struct type *type = value_type (args[argument]);
int len = TYPE_LENGTH (type);
char *contents = (char *) value_contents (args[argument]);
/* Pad the argument appropriately. */
int padded_len = align_up (len, wordsize);
- gdb_byte *padded = alloca (padded_len);
+ gdb_byte *padded = xmalloc (padded_len);
+ back_to = make_cleanup (xfree, padded);
memset (padded, 0, padded_len);
memcpy (len < wordsize ? padded + padded_len - len : padded,
else
{
/* Heavens to Betsy --- it's really going in registers!
- It would be nice if we could use write_register_bytes
- here, but on the h8/300s, there are gaps between
- the registers in the register file. */
+ Note that on the h8/300s, there are gaps between the
+ registers in the register file. */
int offset;
for (offset = 0; offset < padded_len; offset += wordsize)
subsequent arguments go on the stack. */
reg = E_ARGLAST_REGNUM + 1;
}
+
+ do_cleanups (back_to);
}
/* Store return address. */
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- int len = TYPE_LENGTH (type);
- ULONGEST c, addr;
+ ULONGEST c;
- switch (len)
+ switch (TYPE_LENGTH (type))
{
case 1:
case 2:
case 4:
regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
- store_unsigned_integer (valbuf, len, byte_order, c);
+ store_unsigned_integer (valbuf, TYPE_LENGTH (type), byte_order, c);
break;
case 8: /* long long is now 8 bytes. */
if (TYPE_CODE (type) == TYPE_CODE_INT)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- int len = TYPE_LENGTH (type);
ULONGEST val;
- switch (len)
+ switch (TYPE_LENGTH (type))
{
case 1:
case 2: /* short... */
- val = extract_unsigned_integer (valbuf, len, byte_order);
+ val = extract_unsigned_integer (valbuf, TYPE_LENGTH (type), byte_order);
regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM, val);
break;
case 4: /* long, float */
- val = extract_unsigned_integer (valbuf, len, byte_order);
+ val = extract_unsigned_integer (valbuf, TYPE_LENGTH (type), byte_order);
regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM,
(val >> 16) & 0xffff);
regcache_cooked_write_unsigned (regcache, E_RET1_REGNUM, val & 0xffff);
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- int len = TYPE_LENGTH (type);
ULONGEST val;
- switch (len)
+ switch (TYPE_LENGTH (type))
{
case 1:
case 2:
case 4: /* long, float */
- val = extract_unsigned_integer (valbuf, len, byte_order);
+ val = extract_unsigned_integer (valbuf, TYPE_LENGTH (type), byte_order);
regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM, val);
break;
case 8:
- val = extract_unsigned_integer (valbuf, len, byte_order);
+ val = extract_unsigned_integer (valbuf, TYPE_LENGTH (type), byte_order);
regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM,
(val >> 32) & 0xffffffff);
regcache_cooked_write_unsigned (regcache, E_RET1_REGNUM,
}
static enum return_value_convention
-h8300_return_value (struct gdbarch *gdbarch, struct type *func_type,
+h8300_return_value (struct gdbarch *gdbarch, struct value *function,
struct type *type, struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
}
static enum return_value_convention
-h8300h_return_value (struct gdbarch *gdbarch, struct type *func_type,
+h8300h_return_value (struct gdbarch *gdbarch, struct value *function,
struct type *type, struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
}
}
-static void
+static enum register_status
h8300_pseudo_register_read (struct gdbarch *gdbarch,
struct regcache *regcache, int regno,
gdb_byte *buf)
{
if (regno == E_PSEUDO_CCR_REGNUM (gdbarch))
- regcache_raw_read (regcache, E_CCR_REGNUM, buf);
+ return regcache_raw_read (regcache, E_CCR_REGNUM, buf);
else if (regno == E_PSEUDO_EXR_REGNUM (gdbarch))
- regcache_raw_read (regcache, E_EXR_REGNUM, buf);
+ return regcache_raw_read (regcache, E_EXR_REGNUM, buf);
else
- regcache_raw_read (regcache, regno, buf);
+ return regcache_raw_read (regcache, regno, buf);
}
static void
return regno;
}
-const static unsigned char *
+static const unsigned char *
h8300_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
int *lenptr)
{
set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_double_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_double_format (gdbarch, floatformats_ieee_single);
set_gdbarch_long_double_bit (gdbarch, 4 * TARGET_CHAR_BIT);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ieee_single);
set_gdbarch_believe_pcc_promotion (gdbarch, 1);